.ui-content {
    background-image: url(background.jpg);
}

.ui-body-c, .ui-dialog.ui-overlay-c {
    text-shadow: none;
    color: white;
}

.ui-input-text {
    color: black;
}

.ui-icon-mail {
    background-position: center;
    background-image: url(mail.png);
}